// ==UserScript==
// @name           Daily rep limit badge tracker
// @namespace      http://shog9.com/greasemonkey/scripts
// @description    Tracks the number of days a user has hit or exceeded the daily rep limit
// @include        http://stackoverflow.com/users/*
// @include        http://meta.stackoverflow.com/users/*
// @include        http://serverfault.com/users/*
// @include        http://superuser.com/users/*
// ==/UserScript==


var output = document.getElementById("date-selection");
if ( output )
   var rep_data = eval(document.getElementById("source").innerHTML.toString().match( /\s+var d = (\[.*]]);/ )[1]);
   
if ( rep_data ) 
{   
   var capped_days = 0;
   for (var i=0; i < rep_data.length; ++i) 
   {
      var today = rep_data[i];
      var yesterday = rep_data[i-1] || [0,0];
      if (today[1] - 200 >= yesterday[1]) 
         ++capped_days;
   }
   
   output.innerHTML += "<div>Hit the reputation cap on " + capped_days + " days: "
      + format_badge_distance(150, "Legendary", 1) + ", "
      + format_badge_distance(50, "Epic", 2) + ", "
      + format_badge_distance(1, "Mortarboard", 3)
      + "</div>";
}

function format_badge_distance(caps_needed, title, rank)
{
   if ( capped_days < caps_needed )
      return caps_needed - capped_days + " more to achieve " + format_badge(title, rank);
   else if ( capped_days > caps_needed )
      return capped_days - caps_needed + " past " + format_badge(title, rank);
   return " at " + format_badge(title, rank);
}

function format_badge(title, rank)
{
   return '<span class="badge"><span class="badge'+rank+'">&#9679;</span>&nbsp;'+title+'</span>';
}